A magnitude Md 2.5 earthquake occured in region: 10 km NE Bibbiena (AR), on
and geographic coordinates (lat, lon) 43.7790, 11.8680 at 10 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Poppi | AR | 10 | 6160 | 6160 |
Bibbiena | AR | 10 | 12241 | 18401 |
Chiusi della Verna | AR | 10 | 2023 | 20424 |
Verghereto | FC | 11 | 1907 | 22331 |
Pratovecchio Stia | AR | 12 | 5845 | 28176 |
Bagno di Romagna | FC | 13 | 6026 | 34202 |
Chitignano | AR | 13 | 899 | 35101 |
Castel San Niccolò | AR | 14 | 2707 | 37808 |
Ortignano Raggiolo | AR | 14 | 878 | 38686 |
Castel Focognano | AR | 14 | 3149 | 41835 |
Caprese Michelangelo | AR | 18 | 1426 | 43261 |
Pieve Santo Stefano | AR | 19 | 3183 | 46444 |
Santa Sofia | FC | 19 | 4136 | 50580 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1991-01-15 12:52:58 |
43.779 | 11.868 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 134439 |
Field | Value |
---|---|
Time (UTC) | 1991-01-15 12:52:58 ± 0.439 |
Latitude | 43.7790 ± 0.0247 |
Longitude | 11.8680 ± 0.0808 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 134439 |
Field | Value |
---|---|
Preferred uncertainty description | horizontal uncertainty |
Semi-major axis of confidence ellipse (meter) | |
Semi-minor axis of confidence ellipse (meter) | |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 7041.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 193 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00089 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00818 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 5 |
Type of magnitude | Md |
Reference to an origin | 134439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:05:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1991-01-15T12:53:30.20 | 10.0 | undecidable | manual | SG | 141 | 0.9102 | 0.32 | 0.4 | |
--.ARV.Z. | 1991-01-15T12:53:28.00 | 10.0 | undecidable | manual | SG | 109 | 0.8214 | 0.94 | 0.2 | |
--.ASS.Z. | 1991-01-15T12:53:17.00 | 10.0 | undecidable | manual | PG | 141 | 0.9102 | 0.34 | 1 | |
--.ARV.Z. | 1991-01-15T12:53:14.00 | 10.0 | undecidable | manual | PG | 109 | 0.8214 | -1.04 | 0.4 | |
--.SFI.Z. | 1991-01-15T12:53:05.20 | 10.0 | undecidable | manual | SG | 353 | 0.1221 | 0.62 | 0.7 | |
--.CRE.Z. | 1991-01-15T12:53:04.56 | 10.0 | undecidable | manual | SG | 159 | 0.1665 | -1.41 | 0.1 | |
--.CRE.Z. | 1991-01-15T12:53:03.18 | 10.0 | negative | manual | PG | 159 | 0.1665 | 0.32 | 3.2 | |
--.SR3.E. | 1991-01-15T12:53:02.40 | 10.0 | undecidable | manual | SG | 346 | 0.0999 | -1.54 | 0.1 | |
--.SFI.Z. | 1991-01-15T12:53:02.40 | 10.0 | undecidable | manual | PG | 353 | 0.1221 | 0.34 | 1.6 | |
--.SR3.Z. | 1991-01-15T12:53:00.00 | 10.0 | positive | manual | PG | 346 | 0.0999 | -1.68 | 0 |